Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

Devens Massdevelopment

Perfluoroheptanoic acid is a member of a group of perfluorinated chemicals used in many consumer products. Perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.

 

638

Samples

0

Samples exceeding legal limit (MCL)

148

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
20183.79 ppt159ND - 9.70 ppt
20191.09 ppt12525ND - 13.6 ppt
2020ND10ND
20211.37 ppt19781ND - 12.0 ppt
20220.566 ppt17138ND - 10.00 ppt
20230.392 ppt12922ND - 9.80 ppt

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1,000 ppt

The EWG Health Guideline of 1,000 ppt for perfluoroheptanoic acid was defined by EPA's recommended application of the toxicity value for PFHxA published in the Integrated Risk Information System’s toxicological review. This health guideline harm to fetal growth and child development.

ppt = parts per trillion

All test results

Date Result
2018-02-279.60 ppt
2018-02-279.70 ppt
2018-02-279.70 ppt
2018-05-144.50 ppt
2018-05-14ND
2018-05-144.50 ppt
2018-05-14ND
2018-08-034.47 ppt
2018-08-03ND
2018-08-034.47 ppt
2018-08-03ND
2018-10-254.96 ppt
2018-10-25ND
2018-10-254.96 ppt
2018-10-25ND
2019-02-204.78 ppt
2019-02-20ND
2019-02-204.78 ppt
2019-02-20ND
2019-05-213.01 ppt
2019-05-21ND
2019-05-217.28 ppt
2019-05-213.01 ppt
2019-05-21ND
2019-08-02ND
2019-08-02ND
2019-08-02ND
2019-08-203.37 ppt
2019-08-20ND
2019-08-20ND
2019-08-203.37 ppt
2019-08-20ND
2019-09-03ND
2019-09-03ND
2019-09-03ND
2019-09-03ND
2019-09-031.93 ppt
2019-09-03ND
2019-09-03ND
2019-09-03ND
2019-09-03ND
2019-09-18ND
2019-09-18ND
2019-09-18ND
2019-09-18ND
2019-09-18ND
2019-09-18ND
2019-09-18ND
2019-09-18ND
2019-09-25ND
2019-09-2512.8 ppt
2019-09-25ND
2019-09-25ND
2019-10-02ND
2019-10-02ND
2019-10-02ND
2019-10-02ND
2019-10-02ND
2019-10-02ND
2019-10-02ND
2019-10-02ND
2019-10-02ND
2019-10-09ND
2019-10-0913.6 ppt
2019-10-092.21 ppt
2019-10-09ND
2019-10-09ND
2019-10-09ND
2019-10-15ND
2019-10-15ND
2019-10-15ND
2019-10-15ND
2019-10-15ND
2019-10-15ND
2019-10-15ND
2019-10-15ND
2019-10-15ND
2019-10-23ND
2019-10-2313.6 ppt
2019-10-23ND
2019-10-23ND
2019-10-30ND
2019-10-30ND
2019-10-30ND
2019-10-30ND
2019-10-301.73 ppt
2019-10-30ND
2019-10-30ND
2019-10-30ND
2019-10-30ND
2019-11-06ND
2019-11-0612.7 ppt
2019-11-061.47 ppt
2019-11-06ND
2019-11-06ND
2019-11-06ND
2019-11-13ND
2019-11-13ND
2019-11-13ND
2019-11-13ND
2019-11-131.87 ppt
2019-11-13ND
2019-11-13ND
2019-11-13ND
2019-11-13ND
2019-11-20ND
2019-11-208.85 ppt
2019-11-203.79 ppt
2019-11-20ND
2019-11-25ND
2019-11-25ND
2019-11-25ND
2019-11-25ND
2019-11-251.23 ppt
2019-11-25ND
2019-11-25ND
2019-11-25ND
2019-11-25ND
2019-12-04ND
2019-12-0410.9 ppt
2019-12-04ND
2019-12-04ND
2019-12-04ND
2019-12-04ND
2019-12-11ND
2019-12-11ND
2019-12-11ND
2019-12-18ND
2019-12-1813.4 ppt
2019-12-182.35 ppt
2019-12-18ND
2019-12-23ND
2019-12-23ND
2019-12-231.01 ppt
2019-12-23ND
2019-12-231.64 ppt
2019-12-23ND
2019-12-23ND
2019-12-231.01 ppt
2019-12-23ND
2020-07-14ND
2021-01-060.830 ppt
2021-01-06ND
2021-01-06ND
2021-01-06ND
2021-01-063.90 ppt
2021-01-0610.1 ppt
2021-01-062.30 ppt
2021-01-06ND
2021-01-061.10 ppt
2021-01-064.10 ppt
2021-01-061.40 ppt
2021-01-06ND
2021-01-060.870 ppt
2021-01-064.00 ppt
2021-01-13ND
2021-01-13ND
2021-01-13ND
2021-01-13ND
2021-01-13ND
2021-01-13ND
2021-01-131.40 ppt
2021-02-03ND
2021-02-03ND
2021-02-034.50 ppt
2021-02-03ND
2021-02-03ND
2021-02-031.65 ppt
2021-02-031.10 ppt
2021-02-032.46 ppt
2021-02-03ND
2021-02-0312.0 ppt
2021-02-031.03 ppt
2021-02-17ND
2021-02-170.670 ppt
2021-02-1711.1 ppt
2021-02-241.64 ppt
2021-02-24ND
2021-02-24ND
2021-02-24ND
2021-02-24ND
2021-02-24ND
2021-02-24ND
2021-03-02ND
2021-03-021.28 ppt
2021-03-021.01 ppt
2021-03-0210.9 ppt
2021-03-02ND
2021-03-02ND
2021-03-021.60 ppt
2021-03-02ND
2021-03-020.996 ppt
2021-03-101.71 ppt
2021-03-10ND
2021-03-10ND
2021-03-10ND
2021-03-10ND
2021-03-10ND
2021-03-10ND
2021-03-179.92 ppt
2021-03-17ND
2021-03-171.45 ppt
2021-03-24ND
2021-03-24ND
2021-03-24ND
2021-03-241.45 ppt
2021-03-24ND
2021-03-24ND
2021-03-24ND
2021-03-318.77 ppt
2021-03-31ND
2021-03-312.17 ppt
2021-03-31ND
2021-03-31ND
2021-04-08ND
2021-04-08ND
2021-04-08ND
2021-04-08ND
2021-04-19ND
2021-06-02ND
2021-06-02ND
2021-06-02ND
2021-06-02ND
2021-06-02ND
2021-06-021.31 ppt
2021-06-02ND
2021-06-091.96 ppt
2021-06-092.80 ppt
2021-06-09ND
2021-06-16ND
2021-06-161.06 ppt
2021-06-16ND
2021-06-16ND
2021-06-16ND
2021-06-16ND
2021-06-16ND
2021-06-23ND
2021-06-232.63 ppt
2021-06-23ND
2021-06-23ND
2021-06-238.88 ppt
2021-07-07ND
2021-07-072.48 ppt
2021-07-07ND
2021-07-073.11 ppt
2021-07-073.55 ppt
2021-07-074.20 ppt
2021-07-071.42 ppt
2021-07-073.09 ppt
2021-07-0711.0 ppt
2021-07-074.28 ppt
2021-07-072.27 ppt
2021-07-072.50 ppt
2021-07-074.33 ppt
2021-07-073.95 ppt
2021-07-14ND
2021-07-141.52 ppt
2021-07-14ND
2021-07-14ND
2021-07-14ND
2021-07-14ND
2021-07-2110.1 ppt
2021-07-21ND
2021-07-21ND
2021-07-21ND
2021-07-214.35 ppt
2021-07-28ND
2021-07-28ND
2021-07-28ND
2021-07-281.18 ppt
2021-07-28ND
2021-07-28ND
2021-07-280.731 ppt
2021-08-05ND
2021-08-051.94 ppt
2021-08-051.76 ppt
2021-08-052.33 ppt
2021-08-110.659 ppt
2021-08-11ND
2021-08-11ND
2021-08-11ND
2021-08-111.05 ppt
2021-08-11ND
2021-08-11ND
2021-08-18ND
2021-08-180.996 ppt
2021-08-18ND
2021-08-18ND
2021-08-188.30 ppt
2021-08-25ND
2021-08-25ND
2021-08-25ND
2021-08-250.667 ppt
2021-08-251.06 ppt
2021-08-25ND
2021-08-25ND
2021-09-08ND
2021-09-08ND
2021-09-08ND
2021-09-08ND
2021-09-08ND
2021-09-08ND
2021-09-081.20 ppt
2021-10-06ND
2021-10-064.69 ppt
2021-10-06ND
2021-10-064.06 ppt
2021-10-064.52 ppt
2021-10-063.49 ppt
2021-10-060.750 ppt
2021-10-06ND
2021-10-06ND
2021-10-06ND
2021-10-061.08 ppt
2021-10-06ND
2021-10-063.98 ppt
2021-10-061.29 ppt
2021-10-063.51 ppt
2021-10-06ND
2021-10-063.18 ppt
2021-10-06ND
2021-10-064.56 ppt
2021-10-062.81 ppt
2021-12-023.26 ppt
2021-12-024.12 ppt
2021-12-024.69 ppt
2021-12-022.65 ppt
2021-12-023.87 ppt
2021-12-02ND
2021-12-022.50 ppt
2021-12-08ND
2021-12-08ND
2021-12-08ND
2021-12-08ND
2021-12-08ND
2021-12-08ND
2021-12-08ND
2021-12-08ND
2022-01-05ND
2022-01-05ND
2022-01-05ND
2022-01-05ND
2022-01-059.41 ppt
2022-01-05ND
2022-01-05ND
2022-01-05ND
2022-01-05ND
2022-01-122.35 ppt
2022-01-123.63 ppt
2022-01-124.40 ppt
2022-01-122.91 ppt
2022-01-121.33 ppt
2022-01-120.692 ppt
2022-01-123.91 ppt
2022-01-123.13 ppt
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-090.965 ppt
2022-02-093.04 ppt
2022-02-093.45 ppt
2022-02-092.97 ppt
2022-02-093.52 ppt
2022-02-093.22 ppt
2022-02-091.51 ppt
2022-03-09ND
2022-03-09ND
2022-03-09ND
2022-03-09ND
2022-03-09ND
2022-03-09ND
2022-03-090.810 ppt
2022-03-09ND
2022-03-162.60 ppt
2022-03-163.00 ppt
2022-03-164.20 ppt
2022-03-161.40 ppt
2022-03-16ND
2022-03-163.80 ppt
2022-03-163.70 ppt
2022-04-13ND
2022-04-13ND
2022-04-131.50 ppt
2022-04-13ND
2022-04-13ND
2022-04-13ND
2022-04-13ND
2022-04-13ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2022-04-191.000 ppt
2022-04-19ND
2022-04-19ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-042.60 ppt
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-16ND
2022-05-161.10 ppt
2022-05-16ND
2022-05-16ND
2022-05-16ND
2022-05-16ND
2022-05-16ND
2022-05-2710.00 ppt
2022-05-27ND
2022-06-082.00 ppt
2022-06-08ND
2022-06-080.670 ppt
2022-06-08ND
2022-06-08ND
2022-06-08ND
2022-06-08ND
2022-06-080.790 ppt
2022-06-14ND
2022-06-14ND
2022-06-14ND
2022-06-14ND
2022-06-14ND
2022-06-14ND
2022-06-14ND
2022-07-13ND
2022-07-130.690 ppt
2022-07-13ND
2022-07-13ND
2022-07-13ND
2022-07-20ND
2022-07-20ND
2022-07-20ND
2022-07-20ND
2022-07-20ND
2022-07-20ND
2022-08-03ND
2022-08-03ND
2022-08-03ND
2022-08-03ND
2022-08-03ND
2022-08-03ND
2022-08-03ND
2022-08-18ND
2022-08-18ND
2022-08-18ND
2022-08-18ND
2022-08-181.20 ppt
2022-08-18ND
2022-08-18ND
2022-09-01ND
2022-09-01ND
2022-09-07ND
2022-09-07ND
2022-09-07ND
2022-09-07ND
2022-09-07ND
2022-09-07ND
2022-09-07ND
2022-09-14ND
2022-09-14ND
2022-09-14ND
2022-09-14ND
2022-09-14ND
2022-09-14ND
2022-10-05ND
2022-10-05ND
2022-10-05ND
2022-10-05ND
2022-10-12ND
2022-10-12ND
2022-10-12ND
2022-10-121.20 ppt
2022-10-12ND
2022-10-12ND
2022-10-12ND
2022-11-02ND
2022-11-02ND
2022-11-02ND
2022-11-02ND
2022-11-020.660 ppt
2022-11-02ND
2022-11-10ND
2022-11-100.770 ppt
2022-11-10ND
2022-11-10ND
2022-11-10ND
2022-11-101.80 ppt
2022-11-10ND
2022-12-07ND
2022-12-070.810 ppt
2022-12-07ND
2022-12-07ND
2022-12-07ND
2022-12-07ND
2022-12-07ND
2022-12-07ND
2022-12-07ND
2022-12-07ND
2022-12-07ND
2022-12-07ND
2022-12-07ND
2023-01-11ND
2023-01-119.80 ppt
2023-01-11ND
2023-01-181.30 ppt
2023-01-181.30 ppt
2023-01-18ND
2023-01-18ND
2023-01-18ND
2023-01-183.90 ppt
2023-01-18ND
2023-01-18ND
2023-02-03ND
2023-02-03ND
2023-02-142.50 ppt
2023-02-14ND
2023-02-14ND
2023-02-140.880 ppt
2023-02-14ND
2023-02-14ND
2023-02-141.60 ppt
2023-02-24ND
2023-02-24ND
2023-02-24ND
2023-02-242.20 ppt
2023-02-24ND
2023-03-01ND
2023-03-01ND
2023-03-01ND
2023-03-01ND
2023-03-01ND
2023-03-01ND
2023-03-081.90 ppt
2023-03-082.00 ppt
2023-03-080.940 ppt
2023-03-08ND
2023-03-08ND
2023-03-08ND
2023-03-08ND
2023-04-04ND
2023-04-04ND
2023-04-04ND
2023-04-060.966 ppt
2023-04-06ND
2023-04-061.97 ppt
2023-04-06ND
2023-04-061.94 ppt
2023-04-06ND
2023-04-06ND
2023-04-19ND
2023-04-190.828 ppt
2023-04-19ND
2023-04-19ND
2023-04-19ND
2023-04-19ND
2023-04-28ND
2023-04-28ND
2023-04-289.06 ppt
2023-05-03ND
2023-05-030.857 ppt
2023-05-03ND
2023-05-12ND
2023-05-26ND
2023-06-07ND
2023-06-070.839 ppt
2023-06-07ND
2023-06-07ND
2023-06-09ND
2023-06-23ND
2023-07-07ND
2023-07-11ND
2023-07-11ND
2023-07-11ND
2023-07-11ND
2023-07-18ND
2023-07-21ND
2023-08-04ND
2023-08-08ND
2023-08-08ND
2023-08-08ND
2023-08-080.652 ppt
2023-08-08ND
2023-08-18ND
2023-09-01ND
2023-09-01ND
2023-09-19ND
2023-09-19ND
2023-09-19ND
2023-09-19ND
2023-09-19ND
2023-09-19ND
2023-09-29ND
2023-09-29ND
2023-10-04ND
2023-10-04ND
2023-10-053.70 ppt
2023-10-05ND
2023-10-13ND
2023-10-19ND
2023-10-19ND
2023-10-19ND
2023-10-19ND
2023-10-27ND
2023-10-27ND
2023-11-071.20 ppt
2023-11-07ND
2023-11-07ND
2023-11-07ND
2023-11-09ND
2023-11-09ND
2023-11-09ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-12-08ND
2023-12-14ND
2023-12-14ND
2023-12-14ND
2023-12-14ND
2023-12-14ND
2023-12-14ND
2023-12-14ND
2023-12-22ND
2023-12-220.300 ppt